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Got F40 error code self-cleaning my 790.9642 Kenmore range

Got an F40 error code at the end of self-cleaning my Kenmore range. Reset the alarm....a few minutes later it came up again and reset again. The cooktop/door eventually unlocked, but the error concerns me.The range appears to be working fine otherwise.

Posted by der1030 on


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Try this, after several calls I finally found out what the code meant. code meant. Power supply issues, not necessarily with your power supply but with the applianceGot F40 error code self-cleaning my 790.9642 Kenmo - 2_bing.gif itself. Of course they want to send a technician for $65.00, which may be worth the headache. All someone told me was to turn off the power braker for 2 hours and try again. Yeah right, after 2 hours of heating your house and paying the electric bill, but when breaker is off there will not be any electric used. code f40,

Posted on Apr 19, 2010


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Trying to find out what f40 error code for my kenmore electric range 790.96423408 during self cleaning mode is?

Looks like you will have to call a technician.
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The "F40" fault code indicates a Cooktop Lockout error. There is a "Lockout" control board that locks out the cooktop from operating whenever the "Clean" cycle is used. It's not normal to display "F40" unless there is a "Lockout" or an "EOC" (electronic oven control) failure. It may need one or the other or both boards replaced. If the cooktop will operate after the range has cooled and unlocked then it may need the EOC and not the Lockout board. If you can ignore the beeping and the F40 and the range will heat up again in the clean cycle and complete the clean cycle then it could have a faulty Lockout board. Here a link to a YouTube video with the instructions on how to access and replace the EOC.

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All parts come with a 365 day, any part, any reason return policy.

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It worked for me.  When the power is off, there is no electricity being used, thus no charge.

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The E1- F5 error is a door lock error.

The control (TIMER) has likely failed in this instance - BUT...

Sometimes when you disconnect power to a range and reconnect it the electronic range control gets confused.
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Sometimes these work, but if the control has failed it won't make any difference.

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